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Can Visual Studio 2012 be installed side-by-side w/ Visual Studio 2010?
... previously working 4.0 code starts bombing out with an "Object Reference" error on a line that only contains a comment.
– mclark1129
Apr 24 '12 at 12:31
8
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What is an OS kernel ? How does it differ from an operating system? [closed]
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– dmckee --- ex-moderator kitten
Jan 6 '10 at 19:05
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Creating JS object with Object.create(null)?
...ototype).
In Chrome Devtool you can see that Object.create(null) has no __proto__ property, while {} does.
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JavaScript loop through json array?
...his:
var json = [{
"id" : "1",
"msg" : "hi",
"tid" : "2013-05-05 23:35",
"fromWho": "hello1@email.se"
},
{
"id" : "2",
"msg" : "there",
"tid" : "2013-05-05 23:45",
"fromWho": "hello2@email.se"
}];
You can loop over the Array like this:
for(var i = 0; i <...
How to check certificate name and alias in keystore files?
...foo
If the alias is not found, it will display an exception:
keytool error: java.lang.Exception: Alias does not exist
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Determine if running on a rooted device
...han having this feature fail when it is used (and then show an appropriate error message to the user), I'd prefer an ability to silently check if root is available first, and if not,hide the respective options in the first place.
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How to include external Python code to use in other files?
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You may interesting imp module and magic call __import__.
– Vitold S.
Dec 5 '15 at 23:53
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Is there a way to get version from package.json in nodejs code?
... Not working for my script with shebang installed globally. Error: Cannot find module 'package.json'.
– exebook
May 21 '15 at 11:39
14
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Programmatically change UITextField Keyboard type
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_textField .keyboardType = UIKeyboardTypeAlphabet;
_textField .keyboardType = UIKeyboardTypeASCIICapable;
_textField .keyboardType = UIKeyboardTypeDecimalPad;
_textField .keyboardType = UIKeyboardTypeDefault;
_textField .keyb...
Select by partial string from a pandas DataFrame
...ed solution above:
df[df["A"].str.contains("Hello|Britain")]
and got an error:
ValueError: cannot mask with array containing NA / NaN values
you can transform NA values into False, like this:
df[df["A"].str.contains("Hello|Britain", na=False)]
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